Listed Sizes are the Flange x Length x Body Diameter When silence is a must you can't go far wrong with these Can silencers. Effective noise reduction Durable casing Easy to use and mount Mineral wool insulation minimalizes unwanted fan noise Continuously welded casing Sturdy steel construction These have been carefully tested and approved for use with most extractor Fans. Choose the model that matches your size of fan and attach it to the output side with fast clamps and a short length of ducting if required. Can Filter Silencers - A sturdy Steel construction with dampening qualities to remove/reduce unwanted ducting, filter, fan and suction noises.
